Filter cartridge



FIG. 1 is a front perspective view of the first embodiment showing a new design for a filter cartridge;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof, the bottom view being a mirror image thereof;

FIG. 5 is a left view thereof; and

FIG. 6 is a right view thereof.

FIG. 7 is a front perspective view of the second embodiment showing a new design for a filter cartridge;

FIG. 8 is a front view thereof;

FIG. 9 is a back view thereof;

FIG. 10 is a top view thereof, the bottom view being a mirror image thereof;

FIG. 11 is a left view thereof; and

FIG. 12 is a right view thereof.

FIG. 13 is a front perspective view of the third embodiment showing a new design for a filter cartridge;

FIG. 14 is a front view thereof;

FIG. 15 is a back view thereof;

FIG. 16 is a top view thereof, the bottom view being a mirror image thereof;

FIG. 17 is a left view thereof; and,

FIG. 18 is a right view thereof.

The broken lines in the drawings illustrate portions of the filter cartridge that form no part of the claimed design. 

CLAIM The ornamental design for a filter cartridge, as shown and described. 